CN217156717U

CN217156717U - A field effect tester for sine wave controller

Info

Publication number: CN217156717U
Application number: CN202220473752.XU
Authority: CN
Inventors: 帅志容
Original assignee: Sichuan Supai Electric Technology Co ltd
Current assignee: Sichuan Supai Electric Technology Co ltd
Priority date: 2022-03-04
Filing date: 2022-03-04
Publication date: 2022-08-09
Anticipated expiration: 2032-03-04

Abstract

The utility model discloses a field effect tester for sine wave controller, including the tester main part, fixed surface installs the test box before the tester main part, the test box top is close one side department movable mounting and has the gag lever post, transparent box is installed in test box upper surface activity embedding, the inside movable mounting of tester main part has test base, the through-hole has been seted up to test base upper surface, the inside movable mounting of through-hole has electrically conductive clamp ring, the tester main part upper surface is close the fixed embedding of rear surface department and installs the display screen. A field effect tester for sine wave controller, can be according to the size of field effect transistor, freely adjust the position of test base, make its measurement that is applicable to multiple field effect transistor, and field effect transistor when measuring, with external isolated, avoid external temperature and noise to cause the influence to measuring result, improve measuring result's precision.

Description

A field effect tester for sine wave controller

Technical Field

The utility model relates to a tester field, in particular to a field effect tester for sine wave controller.

Background

The sine wave inverter is a kind of inverter, it is the power electronic device which turns the direct current electric energy into alternating current, inverter and ACDC converter are the opposite process, because ACDC converter or power adapter commutate 220V alternating current into direct current to use, and the function of the inverter is opposite to this, the field effect transistor is a kind of semiconductor device which controls the electric field effect of the input loop to control the current of the output loop, the power field effect transistor tester is mainly used for quality inspection, parameter pairing of the power field effect transistor and IGBT and withstand voltage test of other electronic components, it is one of the device testers commonly used in the electronic industry;

the notice number is: CN210923885U, the published "a semiconductor field effect transistor testing arrangement, belongs to semiconductor detection technical field. A semiconductor field effect transistor testing device comprises a tester main body, wherein a detection cavity is formed in the top surface of the tester main body, and a detection seat for detecting voltage, a temperature detection probe for detecting the temperature change of a field effect transistor within a certain time and a noise monitoring probe for detecting the noise frequency of the field effect transistor within a certain time are respectively arranged in the detection cavity, so that the aim of one-machine-multiple detection is fulfilled; the utility model discloses still be provided with seal assembly in detecting the chamber upper end, utilize seal assembly not only can play the effect of sealed protection, and can ensure the accuracy that detects intracavity temperature detect probe and noise monitoring probe detection data. The utility model has the advantages of reasonable design, easy and simple to handle, it is high to detect the precision, not only satisfy semiconductor field effect transistor voltage test, can also detect semiconductor field effect transistor's noise performance and temperature characteristic ", still there is certain drawback when using, the test base is fixed in detecting inslot portion, can not be according to the size of field effect transistor, freely adjust the position of test base, can not be applicable to the measurement of multiple field effect transistor, and field effect transistor is when measuring, and external intercommunication, external temperature and noise can cause the influence to measuring result, measuring result is not accurate.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a field effect tester for a sine wave controller, which can effectively solve the problems of the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a field effect tester for sine wave controller, includes the tester main part, fixed surface installs the test box in front of the tester main part, the test box top is close one side department movable mounting and has the gag lever post, transparent box is installed in test box upper surface activity embedding, the inside movable mounting of tester main part has test base, the through-hole has been seted up to test base upper surface, the inside movable mounting of through-hole has electrically conductive clamp ring.

Preferably, the position, close to the rear surface, of the upper surface of the tester main body is fixedly embedded with a display screen, and the upper surface of the tester main body is movably embedded with a key in front of the display screen.

Preferably, a pull rod is fixedly installed on the upper surface of the transparent box, a sliding groove is formed in the other side surface inside the test box, a sliding strip is fixedly installed on the other side surface of the transparent box, and the transparent box is movably connected with the sliding groove through the sliding strip.

Preferably, the inside surface of the test box is fixedly provided with a clamping plate, the front surface and the rear surface of the test base are fixedly provided with clamping strips, and the test base is movably connected with the clamping plate through the clamping strips.

Preferably, a limiting hole is formed in one side surface of the transparent box, a limiting ring is fixedly mounted on one side surface of the test box, the limiting rod penetrates through the limiting ring and is movably connected with the limiting hole, a contraction spring is sleeved on the outer side of the limiting rod, one end of the contraction spring is fixedly connected with the limiting ring, and the other end of the contraction spring is fixedly connected with the limiting rod.

Preferably, one test base one side fixed mounting has temperature-detecting probe, another test base one side fixed mounting has noise test probe, two the equal fixed mounting in test base one side surface has the mount, temperature-detecting probe with noise test probe passes through the mount respectively with two test base fixed connection, electrically conductive clamp ring one side fixed mounting has the telescopic link, telescopic link one end with test base fixed connection, telescopic link outside movable sleeve is equipped with the spring.

Compared with the prior art, the utility model discloses following beneficial effect has:

in the utility model, the limiting rod is pulled to move the limiting rod out of the upper part of the transparent box, then the pull rod is pulled to move the transparent box out, the number of the testing bases corresponds to the number of the pins of the field effect tube, the testing bases are connected, the distance between the testing bases is adjusted according to the distance between the pins, so that the testing bases can freely move, thereby the position of the testing bases can be freely adjusted according to the size of the field effect tube, so that the testing bases are suitable for the measurement of various field effect tubes, when in testing, the transparent box is clamped into the testing box, the limiting rod is inserted into the limiting hole under the action of the contraction spring, the limiting rod is connected with the limiting holes with different heights according to the height of the field effect tube, the temperature detecting probe measures the temperature inside the testing box, the noise detecting probe detects the noise inside the testing box, thereby when in the field effect tube, the limiting rod is isolated from the outside, and the influence of the outside temperature and the noise on the measuring result is avoided, the accuracy of the measurement result is improved.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a field effect tester for a sine wave controller according to the present invention;

FIG. 2 is a split view of the overall structure of a test box of a field effect tester for a sine wave controller according to the present invention;

FIG. 3 is a cross-sectional view of a test base of a field effect tester for a sine wave controller according to the present invention;

figure 4 is the utility model discloses a field effect tester test base overall structure split view for sine wave controller.

In the figure: 1. a tester main body; 101. a display screen; 102. pressing a key; 2. a test cartridge; 201. a chute; 202. clamping a plate; 3. a limiting rod; 301. a limiting ring; 302. a retraction spring; 4. a transparent box; 401. a slide bar; 402. a limiting hole; 403. a pull rod; 5. testing the base; 501. clamping the strip; 502. a through hole; 503. a temperature detection probe; 504. a noise detection probe; 505. a fixed mount; 6. a conductive clamping ring; 601. a telescopic rod; 602. a spring.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

The first embodiment is as follows:

as shown in fig. 1-4, a field effect tester for a sine wave controller comprises a tester body 1, a test box 2 is fixedly mounted on the front surface of the tester body 1, a limiting rod 3 is movably mounted at a position close to one side above the test box 2, a transparent box 4 is movably embedded and mounted on the upper surface of the test box 2, a test base 5 is movably mounted in the tester body 1, a through hole 502 is formed in the upper surface of the test base 5, and a conductive clamping ring 6 is movably mounted in the through hole 502;

a display screen 101 is fixedly embedded and installed on the upper surface of the tester main body 1 close to the rear surface, and a key 102 is movably embedded and installed on the upper surface of the tester main body 1 in front of the display screen 101; a pull rod 403 is fixedly arranged on the upper surface of the transparent box 4, a sliding groove 201 is formed in the other side surface of the interior of the test box 2, a sliding strip 401 is fixedly arranged on the other side surface of the transparent box 4, and the transparent box 4 is movably connected with the sliding groove 201 through the sliding strip 401; the inner surface of the test box 2 is fixedly provided with a clamping plate 202, the front surface and the rear surface of the test base 5 are both fixedly provided with clamping strips 501, and the test base 5 is movably connected with the clamping plate 202 through the clamping strips 501; a limiting hole 402 is formed in the surface of one side of the transparent box 4, a limiting ring 301 is fixedly mounted on the surface of one side of the test box 2, the limiting rod 3 penetrates through the limiting ring 301 to be movably connected with the limiting hole 402, a contraction spring 302 is sleeved on the outer side of the limiting rod 3, one end of the contraction spring 302 is fixedly connected with the limiting ring 301, and the other end of the contraction spring 302 is fixedly connected with the limiting rod 3; one side of one test base 5 is fixedly provided with a temperature detection probe 503, one side of the other test base 5 is fixedly provided with a noise detection probe 504, the surface of one side of each of the two test bases 5 is fixedly provided with a fixing frame 505, the temperature detection probe 503 and the noise detection probe 504 are respectively and fixedly connected with the two test bases 5 through the fixing frames 505, the surface of one side of the conductive clamping ring 6 is fixedly provided with a telescopic rod 601, one end of the telescopic rod 601 is fixedly connected with the test base 5, the outer side of the telescopic rod 601 is movably sleeved with a spring 602, so that the test base 5 can be freely moved, the position of the test base 5 can be freely adjusted according to the size of a field effect tube, the test base is suitable for measurement of various field effect tubes, the temperature detection probe 503 is used for measuring the temperature inside the test box 2, the noise detection probe 504 is used for detecting the noise inside the test box 2, so that when the field effect tube is used for measurement, isolated with external, avoid external temperature and noise to cause the influence to the measuring result, improve measuring result's precision.

Example two:

it should be noted that the utility model relates to a field effect tester for sine wave controller, when in use, the limiting rod 3 is pulled to move the limiting rod 3 out of the upper part of the transparent box 4, then the pull rod 403 is pulled to move the transparent box 4 out, the number of the testing bases 5 corresponds to the number of the pins of the field effect tube, the two are connected, the distance between the testing bases 5 is adjusted according to the distance between the pins, the testing bases 5 can move freely, thereby the position of the testing bases 5 can be adjusted freely according to the size of the field effect tube, the testing bases are suitable for the measurement of various field effect tubes, when in testing, the transparent box 4 is clamped into the testing box 2, the limiting rod 3 is inserted into the limiting hole 402 under the action of the contraction spring 302, the limiting rod 3 is connected with the limiting holes 402 with different heights according to the height of the field effect tube, the temperature detecting probe 503 is used for measuring the temperature in the testing box 2, the noise detection probe 504 detects the noise inside the test box 2, so that when the field effect tube is used for measurement, the noise is isolated from the outside, the influence of the outside temperature and noise on the measurement result is avoided, and the accuracy of the measurement result is improved.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A field effect tester for a sine wave controller, characterized by: including tester main part (1), fixed surface installs test box (2) before tester main part (1), test box (2) top is close one side department movable mounting and has gag lever post (3), transparent box (4) are installed in test box (2) upper surface activity embedding, tester main part (1) inside movable mounting has test base (5), through-hole (502) have been seted up to test base (5) upper surface, through-hole (502) inside movable mounting has electrically conductive clamp ring (6).

2. A field effect tester for a sine wave controller as claimed in claim 1, wherein: the tester main part (1) upper surface is close to rear surface department fixed embedding and is installed display screen (101), tester main part (1) upper surface is located display screen (101) the activity embedding in the place ahead is installed button (102).

3. A field effect tester for a sine wave controller as claimed in claim 2, wherein: transparent box (4) upper surface fixed mounting has pull rod (403), spout (201) have been seted up to inside opposite side surface of test box (2), transparent box (4) opposite side surface fixed mounting has draw runner (401), transparent box (4) pass through draw runner (401) with spout (201) swing joint.

4. A field effect tester for a sine wave controller as claimed in claim 3, wherein: the inside fixed surface of test box (2) installs cardboard (202), equal fixed mounting of test base (5) front surface and rear surface department has card strip (501), test base (5) pass through card strip (501) with cardboard (202) swing joint.

5. The field effect tester for a sine wave controller of claim 4, wherein: spacing hole (402) have been seted up on transparent box (4) one side surface, test box (2) one side fixed surface installs spacing ring (301), gag lever post (3) run through spacing ring (301) with spacing hole (402) swing joint, gag lever post (3) outside cover is equipped with shrink spring (302), shrink spring (302) one end with spacing ring (301) fixed connection, shrink spring (302) the other end with gag lever post (3) fixed connection.

6. The field effect tester for a sine wave controller of claim 5, wherein: one test base (5) one side fixed mounting has temperature detect probe (503), another test base (5) one side fixed mounting has noise test probe (504), two test base (5) a side surface equal fixed mounting has mount (505), temperature detect probe (503) with noise test probe (504) pass through mount (505) respectively with two test base (5) fixed connection, electrically conductive clamp ring (6) one side fixed surface installs telescopic link (601), telescopic link (601) one end with test base (5) fixed connection, telescopic link (601) outside movable sleeve is equipped with spring (602).